Home / 28,642.75-42,995.54-22,757.46

Finding the Fourth Proportional to 28,642.75, 42,995.54 and 22,757.46

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Solution

The fourth proportional to 28,642.75, 42,995.54 and 22,757.46 is: 34,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,642.75 : 42,995.54 = 22,757.46 : x
  2. Step 2: Convert to fraction form
    28,642.75/42,995.54 = 22,757.46/x
  3. Step 3: Cross multiply
    28,642.75x = 42,995.54 × 22,757.46
  4. Step 4: Simplify right side
    28,642.75x = 978,469,177.39
  5. Step 5: Solve for x
    x = 978,469,177.39/28,642.75
  6. Step 6: Final answer
    x = 34,161.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.